[llvm-dev] Go Tsan check failure

Tue Nov 28 00:55:17 PST 2017

I guess there is lots of stuff that you don't care about besides
tsan/go that is built and tested during llvm build, and there is no
way to selectively disable each one of that. By design.
In the long run we need to fix all failures (please file a proper
bug). If you are looking for a temporal workaround, then comment it
out. I don't what else to suggest.

On Tue, Nov 28, 2017 at 9:47 AM, Csaba Raduly <rcsaba at gmail.com> wrote:
> Hi,
> I want to build clang successfully :) I don't care about Go.
>
> buildgo.sh is invoked directly by ninja. I don't want to modify the
> (generated) build.ninja
>
> The "SILENT=1" is hard-coded into build.ninja and ninja -v has no effect on it.
>
> I tried passing  -DLLVM_INCLUDE_GO_TESTS=OFF to cmake but the result
> was the same.
>
> Csaba
>
> On Tue, Nov 28, 2017 at 7:27 AM, Dmitry Vyukov <dvyukov at google.com> wrote:
>> On Tue, Nov 28, 2017 at 12:16 AM, Kostya Serebryany <kcc at google.com> wrote:
>>> +dvyukov
>>>
>>> On Mon, Nov 27, 2017 at 4:56 AM, Csaba Raduly via llvm-dev
>>> <llvm-dev at lists.llvm.org> wrote:
>>>>
>>>> Hi all,
>>>>
>>>> I'm trying to build clang on Ubuntu 17.10 - the build succeeds, but
>>>> testing fails:
>>>>
>>>> ~/wk/LLVM/build_release$ svn info ../llvm/
>>>> Path: /home/csabaraduly/wk/LLVM/llvm
>>>> Working Copy Root Path: /home/csabaraduly/wk/LLVM/llvm
>>>> URL: https://llvm.org/svn/llvm-project/llvm/trunk
>>>> Relative URL: ^/llvm/trunk
>>>> Repository Root: https://llvm.org/svn/llvm-project
>>>> Repository UUID: 91177308-0d34-0410-b5e6-96231b3b80d8
>>>> Revision: 319018
>>>> Node Kind: directory
>>>> Schedule: normal
>>>> Last Changed Author: mkazantsev
>>>> Last Changed Rev: 319018
>>>> Last Changed Date: 2017-11-27 12:20:58 +0100 (Mon, 27 Nov 2017)
>>>>
>>>> ~/wk/LLVM/build_release$ ninja -v all check-all
>>>> [1/4] cd ~/wk/LLVM/build_release/utils/lit && /usr/bin/cmake -E
>>>> remove_directory ~/wk/LLVM/build_release/utils/lit/tests &&
>>>> /usr/bin/cmake -E copy_directory ~/wk/LLVM/llvm/utils/lit/tests
>>>> ~/wk/LLVM/build_release/utils/lit/tests && /usr/bin/cmake -E copy
>>>> ~/wk/LLVM/build_release/utils/lit/lit.site.cfg
>>>> ~/wk/LLVM/build_release/utils/lit/tests
>>>> [2/4] cd ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go && env
>>>> "CC=/usr/bin/cc " IN_TMPDIR=1 SILENT=1
>>>> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go/buildgo.sh
>>>> FAILED: projects/compiler-rt/lib/tsan/CMakeFiles/GotsanRuntimeCheck
>>>> cd ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go && env
>>>> "CC=/usr/bin/cc " IN_TMPDIR=1 SILENT=1
>>>> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go/buildgo.sh
>>>> [3/4] cd ~/wk/LLVM/build_release/projects/compiler-rt/lib && env
>>>> LLVM_CHECKOUT=~/wk/LLVM/llvm SILENT=1 TMPDIR=
>>>> PYTHON_EXECUTABLE=/usr/bin/python2.7
>>>> COMPILER_RT=~/wk/LLVM/llvm/projects/compiler-rt
>>>>
>>>> ~/wk/LLVM/llvm/projects/compiler-rt/lib/sanitizer_common/scripts/check_lint.sh
>>>> ninja: build stopped: subcommand failed.
>>>>
>>>> Even ninja -v resulted in SILENT=1 being passed to buildgo.sh, so I
>>>> tried to run it manually:
>>>>
>>>> ~/wk/LLVM/build_release$ pushd
>>>> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go && env "CC=/usr/bin/cc
>>>> " IN_TMPDIR=1 SILENT=0
>>>> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go/buildgo.sh
>>>> ~/wk/LLVM/llvm/projects/compiler-rt/lib/tsan/go ~/wk/LLVM/build_release
>>>> /usr/bin/cc gotsan.cc -c -o
>>>> /tmp/gotsan.vYTnyXdSJU/race_linux_amd64.syso -I../rtl -I../..
>>>> -I../../sanitizer_common -I../../../include -std=c++11 -m64 -Wall
>>>> -fno-exceptions -fno-rtti -DSANITIZER_GO=1
>>>> -DSANITIZER_DEADLOCK_DETECTOR_VERSION=2 -fPIC -ffreestanding
>>>> -Wno-maybe-uninitialized -Wno-unused-const-variable -Werror
>>>> -Wno-unknown-warning-option -DSANITIZER_DEBUG=0 -O3 -msse3
>>>> -fomit-frame-pointer
>>>> ==12640==ERROR: ThreadSanitizer failed to allocate 0x4000 (16384)
>>>> bytes at address 1764aec780000 (errno: 12)
>>>> Segmentation fault (core dumped)
>>>>
>>>> ~/wk/LLVM/build_release$ uname -a
>>>> Linux 4.13.0-17-generic #20-Ubuntu SMP Mon Nov 6 10:04:08 UTC 2017
>>>> x86_64 x86_64 x86_64 GNU/Linux
>>>>
>>>> ~/wk/LLVM/build_release$ /usr/bin/cc -v
>>>> Using built-in specs.
>>>> COLLECT_GCC=/usr/bin/cc
>>>> COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/7/lto-wrapper
>>>> OFFLOAD_TARGET_NAMES=nvptx-none
>>>> OFFLOAD_TARGET_DEFAULT=1
>>>> Target: x86_64-linux-gnu
>>>> Configured with: ../src/configure -v --with-pkgversion='Ubuntu
>>>> 7.2.0-8ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs
>>>> --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++
>>>> --prefix=/usr --with-gcc-major-version-only --program-suffix=-7
>>>> --program-prefix=x86_64-linux-gnu- --enable-shared
>>>> --enable-linker-build-id --libexecdir=/usr/lib
>>>> --without-included-gettext --enable-threads=posix --libdir=/usr/lib
>>>> --enable-nls --with-sysroot=/ --enable-clocale=gnu
>>>> --enable-libstdcxx-debug --enable-libstdcxx-time=yes
>>>> --with-default-libstdcxx-abi=new --enable-gnu-unique-object
>>>> --disable-vtable-verify --enable-libmpx --enable-plugin
>>>> --enable-default-pie --with-system-zlib --with-target-system-zlib
>>>> --enable-objc-gc=auto --enable-multiarch --disable-werror
>>>> --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32
>>>> --enable-multilib --with-tune=generic
>>>> --enable-offload-targets=nvptx-none --without-cuda-driver
>>>> --enable-checking=release --build=x86_64-linux-gnu
>>>> --host=x86_64-linux-gnu --target=x86_64-linux-gnu
>>>> Thread model: posix
>>>> gcc version 7.2.0 (Ubuntu 7.2.0-8ubuntu3)
>>>>
>>>> Is there a way to disable Go, or at least its tsan checks?
>>
>>
>> Hi,
>>
>> Comments out buildgo.sh invocation from build scripts? Or you want
>> something else?
>
>
>
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